The article identifies and reveals objective political and legal correlations between international peacekeeping activities and international criminal justice, which allows positioning the latter as the final phase of the UN peacekeeping practice. The need to take into account such correlation in domestic peacekeeping is substantiated on the basis of lobbying in the world for the perception of such practice of Russia from the angle of reconciliation of the conflicting parties; geopolitical obstacle to the implementation of any form of genocide; ensuring international peace and security.